Enterprise Vault’s Outlook Addin has the ability to bring up a dialog box called “Vault Information” which can provide valuable troubleshooting information. To bring up the dialog you do the following :
Outlook 2003 / Outlook 2007
Press control and shift, and click on an EV button on the toolbar. That brings up this screen:
Clicking on Vault Information then shows you the information:
For Outlook 2010 it’s a little different.
Click on File –> Enterprise Vault
Click on Additional support information